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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Img;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.events.MouseStillDownEvent;
import com.smartgwt.client.widgets.events.MouseStillDownHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;

public class MoveSample implements EntryPoint {

    public void onModuleLoad() {

        VLayout layout = new VLayout();
        layout.setMembersMargin(10);
        layout.setAutoHeight();

        HLayout hLayout = new HLayout();

        final Img vanImg = new Img("crystal/128/apps/virussafe.png", 96, 96);
        vanImg.setCanDragReposition(true);
        vanImg.setTop(0);
        vanImg.setLeft(50);

        Img resetImg = new Img("icons/48/reset.png", 48, 48);
        resetImg.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                vanImg.moveTo(50, 0);
            }
        });

        Img moveImg = new Img("icons/48/downright.png", 48, 48);
        moveImg.setShowRollOver(true);
        moveImg.addMouseStillDownHandler(new MouseStillDownHandler() {
            public void onMouseStillDown(MouseStillDownEvent event) {
                vanImg.moveBy(20, 20);
            }
        });

        hLayout.addMember(resetImg);
        hLayout.addMember(moveImg);

        //were positioning the vanImg using absolute poitioning relative to its containing canvas
        Canvas vanCanvas = new Canvas();
        vanCanvas.addChild(vanImg);

        layout.addMember(hLayout);
        layout.addMember(vanCanvas);

        layout.draw();
    }

}
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